first run the getlists.sh script from /home/wilson
./getlists.sh
this will update the /var/lib/squidguard/db/blacklists   lists

now run the following
squidGuard -d -c /etc/squid/squidGuard.conf -C all
or
squidGuard -d -c /etc/squid/squidGuard.conf -C mail/domains   #will update mail
this will create db files of the text files

now restart squid or squid -k reconfigure